Little-understood, unregulated particles pollute neighborhoods under Sea-Tac flight paths, UW study finds

Kent Palosaari, his son Kai and daughter Mira in SeaTac. University of Washington researchers say emissions are polluting communities near the Seattle-Tacoma International Airport, and Palosaari worries that the… (Ellen M. Banner / The Seattle Times) More By Katherine Khashimova Long Seattle Times business reporter Kent Palosaari’s persistent cough started eight years after he moved